Maryland survey to determine corn cyst nematode control
BELTSVILLE Agricultural
officials from the Maryland and
U.S. Departments of Agriculture
are conducting a statewide survey
to determine the extent of the com
cyst nematode, a newly discovered
foreign corn pest m Maryland.
The officials also will determine
what measures are needed to
suppress and control the pest, said
Harvey Ford, deputy ad
ministrator of USDA‘s Animal and
Plant Health Inspection Service.
An emergency quarantine is not
necessary now, Ford said.
The pest, a minute worm, was
first found in Pakistan and first
described m scientific literature m
1970rFord said. It’s Latin name is
‘ ‘Heterodera zeae. ’ ’
Ford said he approved the
survey as one of several measures
to deal with the new pest after it
was discovered in four Kent
County, Md., corn fields in
February.
Ford said the corn cyst
nematode is primarily a pest of
maise, although it also attacks
wheat, oats, barley, and sorghum.
The nematode infests the soil and
the host plant, reducing yields.
During the adult phase of its
cycle, it forms cysts in the soil.
These cysts can be spread from
one area to another when soil
clings to harvested plants, plant
parts, equipment, containers or
vehicles, Ford said.
Lancaster Farming, Saturday, May 23,1981—A5S
Although! the potential for
further spread of the pest isn’t
known, state authorities have
asked voluntary cooperation of
affected landowners, Ford said.
The Maryland infestation was
identified by A. Morgan Golden, a
H WEN rr COMES TO.
research nematologist at USDA’s
Beltsville, Md., Agricultural
Research Center. Soil samples
were collected by Lorm Krusberg,
University of Maryland, and
Michael Goff of the Maryland
Department of Agriculture.
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